diff --git a/controllers/episodes.js b/controllers/episodes.js
new file mode 100644
index 0000000..f9a3a4a
--- /dev/null
+++ b/controllers/episodes.js
@@ -0,0 +1,107 @@
+const Episode = require("../models/episodes");
+const Serie = require("../models/series");
+
+module.exports = {
+  index: async (req, res, next) => {
+    try {
+      // Get all the episodes
+      const episode = await Episode.find({})
+        .lean()
+        .sort({ createdAt: -1 })
+        .limit(9); // the correct order is -1
+      //res.render("index", { episode: episode });
+      //res.render('index', { name: 'John' });
+      res.json(episode);
+    } catch (err) {
+      next(err);
+    }
+  },
+
+  newEpisode: async (req, res, next) => {
+    try {
+      // 1. Find the actual anime
+      const anime = await Serie.findById(req.body.anime);
+      // 2. Create a new episode
+      const newEpisode = req.body;
+      delete newEpisode.anime;
+      const episode = new Episode(newEpisode);
+      episode.anime = anime;
+      //anime.markModified('episode.anime');
+      await episode.save();
+      // 3. Add newly created episode to the actual anime
+      anime.episodes.push(episode);
+      //episode.markModified('anime.episodes');
+      //anime.markModified('anime.serie');
+      await anime.save();
+      // We're done!
+      res.json(episode);
+     // res.redirect("/");
+    } catch (err) {
+      next(err);
+    }
+  },
+
+  getEpisode: async (req, res, next) => {
+    try {
+      const episode = await Episode.findOne({ slug: req.params.slug });
+      if (!episode) return next();
+      res.json(episode)
+      //res.render("show", { episode: episode });
+    } catch (err) {
+      next(err);
+    }
+  },
+
+  /* getEpisode: async (req, res, next) => {
+        const episode = await Episode.findById(req.params.episodeId);
+        res.render('show', { episode: episode });
+        //res.json(episode);
+    }, */
+
+  replaceEpisode: async (req, res, next) => {
+    try {
+      const { episodeId } = req.params;
+      const newEpisode = req.body;
+      const result = await Episode.findByIdAndUpdate(episodeId, newEpisode);
+      res.json({ success: true });
+    } catch (err) {
+      next(err);
+    }
+  },
+
+  updateEpisode: async (req, res, next) => {
+    try {
+      const { episodeId } = req.params;
+      const newEpisode = req.body;
+      const result = await Episode.findByIdAndUpdate(episodeId, newEpisode);
+      //res.json({ success: true });
+      res.redirect("/");
+    } catch (err) {
+      next(err);
+    }
+  },
+
+  deleteEpisode: async (req, res, next) => {
+    try {
+      const { episodeId } = req.params;
+      // Get a episode
+      const episode = await Episode.findById(episodeId);
+      if (!episode) {
+        return res.status(404).json({ error: "Episode no existe" });
+      }
+      const animeId = episode.anime;
+      // Get a anime
+      const anime = await Serie.findById(animeId);
+      // Remove the episode
+      await episode.remove();
+      // Remove episode from the anime's selling list
+      console.log("anime", anime);
+      anime.episodes.pull(episode);
+      console.log("anime", anime);
+      await anime.save();
+      res.json({ success: true });
+    } catch (err) {
+      next(err);
+    }
+  }
+};
diff --git a/controllers/series.js b/controllers/series.js
new file mode 100644
index 0000000..8d91949
--- /dev/null
+++ b/controllers/series.js
@@ -0,0 +1,159 @@
+const Serie = require("../models/series");
+const Episode = require("../models/episodes");
+
+module.exports = {
+  /* original code without page (you have to modify the routes leave it alone in /)
+    index: async (req, res, next) => {
+    const serie = await Serie.find({})
+    .sort({ createdAt: -1 })
+    .limit(9);
+    res.render("series", {serie: serie});
+  }, */
+
+
+  index: async (req, res, next) => {
+    const serie = await Serie.find({})
+    .sort({ createdAt: -1 })
+    res.json(serie);
+  }, 
+
+/*  
+Uncomment this code to use the page with ejs
+index: async (req, res, next) => {
+    var perPage = 4;
+    var page = req.params.page || 1;
+
+    try {
+      const serie = await Serie.find({})
+        .sort({ createdAt: -1 })
+        .skip(perPage * page - perPage)
+        .limit(perPage)
+        .lean()
+        .exec(function(err, serie) {
+          Serie.count().exec(function(err, count) {
+            if (err) return next(err);
+            res.render("series", {
+              serie: serie,
+              current: page,
+              pages: Math.ceil(count / perPage)
+            });
+          });
+        });
+    } catch (err) {
+      next(err);
+    }
+  }, */
+
+  newSerie: async (req, res, next) => {
+    try {
+      const newSerie = new Serie(req.body);
+      const serie = await newSerie.save();
+      //res.render("addserie",{serie: serie})
+      res.json(serie);
+      //res.redirect("/users/dashboard");
+    } catch (err) {
+      next(err);
+    }
+  },
+  //.lean(true) high performance .populate('episodes', 'slug -_id', null, {sort: { createdAt: -1 } });
+  getSerie: async (req, res, next) => {
+    try {
+      const serie = await Serie.findOne({ slug: req.params.slug }).populate({
+        path: "episodes",
+        select: "slug -_id",
+        //, match: { x: 1 },
+        options: { sort: { createdAt: -1 }, limit: 9 }
+      });
+      if (!serie) return next();
+      //res.render("anime", { serie: serie });
+      res.json(serie);
+    } catch (err) {
+      next(err);
+    }
+  },
+  /* getSerie: async (req, res, next) => {
+        const { serieId } = req.params;
+        const serie = await Serie.findById(serieId);
+        res.render('anime', { serie: serie });
+        //res.json(serie);
+    },  */
+
+  replaceSerie: async (req, res, next) => {
+    // enforce that req.body must contain all the fields
+    try {
+      const { serieId } = req.params;
+      const newSerie = req.body;
+      const result = await Serie.findByIdAndUpdate(serieId, newSerie);
+      res.json({ success: true });
+    } catch (err) {
+      next(err);
+    }
+  },
+  updateSerie: async (req, res, next) => {
+    try {
+      // req.body may contain any number of fields
+      const { serieId } = req.params;
+      const newSerie = req.body;
+      const result = await Serie.findByIdAndUpdate(serieId, newSerie);
+      //res.json({ success: true });
+      res.redirect("/");
+    } catch (err) {
+      next(err);
+    }
+  },
+
+  //the same as getseries
+  getSerieEpisodes: async (req, res, next) => {
+    try {
+      const { serieId } = req.params;
+      const serie = await Serie.findById(serieId).populate("episodes");
+      //res.render('episodes', { serie : serie });
+      res.json(serie.episodes);
+    } catch (err) {
+      next(err);
+    }
+  },
+
+  newSerieEpisode: async (req, res, next) => {
+    try {
+      const { serieId } = req.params;
+      // Create a new episode
+      const newEpisode = new Episode(req.body);
+      // Get series
+      const serie = await Serie.findById(serieId);
+      // Assing serie as episode's anime
+      newEpisode.anime = serie;
+      // Save the episode
+      await newEpisode.save();
+      // Add episode to the serie's selling array 'episodes'
+      serie.episodes.push(newEpisode);
+      // Save the series
+      await serie.save();
+      res.json(newEpisode);
+    } catch (err) {
+      next(err);
+    }
+  }
+};
+
+/*
+We can interact with mongoose in 3 different ways:
+1) Callbacks
+2) Promises
+3) [X] Async/Await (Promises) - this use for the code
+*/
+
+//let is used to isolate a code even if they have the same name are two different variables
+//const their values after declaring they can be changed as long as the parent object is called
+
+/* Example promises:
+ index: (req, res, next) => {
+        Serie.find({})
+            .then(series => {
+                res.status(200).json // res.render(series)
+            })
+            .catch(err => {
+                next(err);
+            });
+    },
+*/